Create a flow chart of basic organization and functioning of a computer System (CPU, memory, I/O Devices, Hard disk)
Answers
explaination
cpu
A central processing unit(CPU), also called a central processor or main processor, is the electronic circuitry within a computerthat carries out the instructions of a computer program by performing the basic arithmetic, logic, controlling, and input/output (I/O) operations specified by the instructions. The computer industry has used the term "central processing unit" at least since the early 1960s. Traditionally, the term "CPU" refers to a processor, more specifically to its processing unit and control unit (CU), distinguishing these core elements of a computer from external components such as main memory and I/O circuitry.
I/O devices
In computing, input/outputor I/O (or, informally, io or IO) is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system. Inputsare the signals or data received by the system and outputs are the signals or data sent from it. The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation.I/O devices are the pieces of hardware used by a human (or other system) to communicate with a computer. For instance, a keyboard or computer mouse is an input device for a computer, while monitorsand printers are output devices. Devices for communication between computers, such as modems and network cards, typically perform both input and output operations.
The designation of a device as either input or output depends on perspective. Mouse and keyboards take physical movements that the human user outputs and convert them into input signals that a computer can understand; the output from these devices is the computer's input.
harddisk
A hard disk drive (HDD), hard disk, hard drive, or fixed disk, is an electro-mechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material. The platters are paired with magnetic heads, usually arranged on a moving actuator arm, which read and write data to the platter surfaces. Data is accessed in a random-access manner, meaning that individual blocks of data can be stored or retrieved in any order and not only sequentially. HDDs are a type of non-volatile storage, retaining stored data even when powered off.
memory
The term "memory", meaning "primary storage" or "main memory", is often associated with addressable semiconductor memory, i.e. integrated circuits consisting of silicon-based transistors, used for example as primary storage but also other purposes in computers and other digitalelectronic devices. There are two main kinds of semiconductor memory, volatile and non-volatile.
Organization of a Computer system
Every functional system incorporates some functional parts that constitute a consumable product. Similarly, there are some functional units of the computer that constitute in producing logical outputs.
Five basic functional units of a computer are i.e. input unit, a processing unit (Arithmetic and logic), a memory to store final or intermediate results, a controlling unit that coordinates functions of every unit, and finally an output unit. In this article, we will discuss all the functional units of the computer.
Functional Unit of Computer
The functional units of a computer i.e. input unit, arithmetic and logic unit, memory, control unit, output unit all are connected with the interconnection network that helps them in exchanging the information as you can see in the image below. Now, let us explore each functional unit separately.
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